In general red spots on tan or beige carpet may suggest strong acids.
Bright yellow spots on carpet.
The majority of the time this is the cause of the brown or yellow spots or rings that develop on your carpet after you clean.
Recently i have been restoring old family photos that are forty to 100 years old.
Of mild dish soap to 1 cup of water.
Tackle wool carpet or wool blend with 1 tbs.
Yellow stains indicate reactions caused by strong oxi dizers or bleaches.
This is nothing to worry about.
1 spray on a anti wicking agent like encapuguard green.
Yellow spots occurred on the surface of sliced ham which was made without sodium nitrite and stored at 4 c for 2 to 3 weeks.
Stomach acid is 10 stomach acid so vomit must be cleaned up promptly and neutralized with a mild alkali such as a detergent solution and rinsed or there will be permanent colored spots.
I am a basic user of photoshop.
Place it in a spray bottle or apply it directly to the stain.
Acids pink or orange spots on carpets are caused by as little as 1 hydrochloric acid in solution.
However there may be some other variables at play too.
Green or blue stains may indicate sunlight combined with a catalyst.
Many have yellow discoloration that appears mainly along the right or left edges of the photos.
Fresh sliced ham without the preservative was spotted with these 127 coccus and 74 bacillus strains and then incubated at 4 c or 20 c.
You simply want to get enough on so that it is wet but not soaked.
Spots caused by benzoyl peroxide are yellow to orange in color on most carpet pinkish on blue carpet.
Those with much peroxide are bright yellow and exhibit an orange halo which moves outward as the bleaching action.
Then bursh it into the carpet.
Put on your gloves and work the solution in with your fingers.
Abundunt lactococci and lactobacilli were predominantly isolated from those spots.
Chlorine usually causes yellow spots but will turn some red dyes to green.